parking FORD KUGA 2011 1.G Repair Manual

Module Controlled Functions – Overview
Generic electronics module (GEM)
CAUTIONS:
Never swap the GEM (generic electronic
module) between two vehicles.
Compare the number of relays and fuses
in the defective GEM and the new GEM.
Transfer from the defective GEM any relays
and fuses which are not in the new GEM.
In doing so, pay attention that fuses with
the correct Ampere rating are used, by
referring to the wiring diagrams.
NOTE: The GEM is integrated in the CJB (central
junction box) and cannot be replaced as a separate
unit.
For repair work during a service, vehicle-specific
configuration is necessary if a new GEM is
installed.
Emergency function
The GEM is equipped with restricted emergency
running functions on vehicles with mid or high-end
equipment levels.
The microcontroller sends a control signal to a
monitoring function within the GEM at regular
intervals. If the battery voltage falls below a value
of approx. 7.5 volts, this check signal is not present
and the GEM switches to emergency function after
a predetermined time.
In this case, the low beam is permanently switched
on, regardless of the light switch position. The
windshield wiper can only be operated in stage 1;
the wiper switch must however be in the stage I or
II position. The wiper park position is not
recognized. Intermittent wiping is not available.
When the control signal recurs, the GEM switches
back to normal operation.
Service mode
Description of operation
Diagnosis of the GEM can be carried out using the
Ford diagnostic unit. Furthermore, an integrated
service mode enables testing of the input and
output signals without the need for further tools.
To enable activation of service mode: • switch off the ignition,
• switch off all other electrical consumers,
• apply the handbrake,
• Shift to neutral
• and close the doors.
Activating the service mode
NOTE:
If the alarm is activated (in vehicles fitted
with an anti-theft alarm system), service mode
cannot be activated.
Proceed as follows to activate the service mode:
• OPERATE the switch of the heated rear window
and HOLD IT THERE
• SWITCH ON the ignition.
• RELEASE the switch of the heated rear window
A signal sounds and the turn signal lamps come
on to indicate that service mode has been
successfully activated.
Inputs
SWITCH the windshield wiper switch to the "OFF"
position to test the input signals. The following is
a list of the switch signals to be tested, in no
particular order:
• Windshield wiper stage I
• Windshield wiper stage II
• Windshield washer system
• Rear window wiper
• Rear window washer system
• Doors open/closed
• Remote control for central locking with double locking
• Hood open/closed (in vehicles equipped with an anti-theft alarm system)
• Tailgate open/closed
• A/C request signal
• Heated windscreen (if fitted)
• Parking brake
• Brake fluid level
• Cruise control system
• Autolamps
• Dipped beam
• Main beam
• Headlamp flasher
• Side lights
• Turn signals (right, left, hazard warning lights) G1030787en
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Description
Item
HS CAN
1
DLC2
MS CAN
3
Instrument cluster (gateway)
4
Front windshield wiper motors
5
GEM6
Rear window wiper motors
7
Indicator/heated windshield
8
Indicator/heated rear window
9 Description
Item
Mini-liftgate latch motor
10
Liftgate latch motor
11
Electric booster Heater
12
Front wiper windscreen washer pump
13
Rear wiper windscreen washer pump
14
Headlamp
15
Courtesy Lighting
16
Alarm horn
17
System Operation
GEM.
The following functions are controlled or performed
by the GEM at a battery voltage of between 9 and
16 volts:
• Current distribution
• Battery charging (Smart Charge)
• Ignition overload protection
• Headlamp switch-off delay
• Turn signals
• Interior lighting
• Heated windscreen
• Heated rear window and heated external mirrors
• Ambient air temperature
• Brake fluid level
• Automatic headlamps
• Combined rain sensor/light sensor
• Windshield wash/wipe system
• Speed control – reads the speed control switches andtransmits signals on the CAN data bus
• central door locking – transmits signals on the CAN data bus
• Anti-theft
• Electric booster Heater
• Climate control
• Parking brake –(monitors the switch and transmits the signal
on the CAN data bus
• Communication via the medium-speed CAN data bus Component Description
Battery charging (Smart Charge)
In addition to the familiar functions, the Smart
Charge system also performs the following
functions:
•
Automatic deactivation of non-critical high power
electrical consumers when the battery voltage
is low in order to reduce the level of current
drawn.
• Automatic activation of non-critical high power electrical consumers when the battery voltage
is excessively high in order to protect
components which are sensitive to increased
voltages.
The battery charging current is optimized through
continuous calculation of the battery temperature
and monitoring of the alternator output voltage.
The alternator load is signaled to the PCM
(powertrain control module) in order to provide it
with an early indication when an electric component
is to be switched on or off, thereby also providing
information about imminent changes to the amount
of torque demanded by the alternator. By
evaluating this information the PCM is capable of
increasing the stability of the engine under idling.
The two remaining functions of the Smart Charge
system are controlled by the GEM. G1030788en
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Generic Electronic Module (GEM)
Refer to Wiring Diagrams Section 419-10, for
schematic and connector information.
Special Tool(s) / General Equipment
Terminal Probe Kit
418-S035Digital multimeter
Ford approved diagnostic tool
Description of operation
A diagnosis of the generic electronic module (GEM)
can be performed with the Ford approved
diagnostic tool. Furthermore, an integrated service
mode enables testing of the input and output
signals without the need for further tools. To enable
activation of service mode:
• Switch off the ignition
• Switch off all other electrical consumers
• Apply the handbrake
• Shift to neutral
• Close the doors.
Activate service mode
Proceed as follows to activate service mode:
• PRESS and HOLD the switch of the heated rear
window
• SWITCH ON the ignition.
• RELEASE the switch of the heated rear window
A signal sounds and the turn signal lamps
illuminate to indicate that service mode has been
successfully activated.
NOTE: If the alarm is armed (in vehicles fitted with
an anti-theft alarm system), service mode cannot
be activated.
Input signals
SWITCH the windshield wiper switch to the "Off"
position to test the input signals. The following is
a list of the switch signals to be tested, in no
particular order: • Turn signals (right, left, hazard warning lights)
• Windshield wiper stage I
• Windshield wiper stage II
• Windshield washer system
• Rear window wiper
• Rear window washer system
• Doors open/closed
• Door key cylinder set/reset switch
• Remote control for central locking with double
locking
• Hood up/down (in vehicles fitted with anti-theft alarm system)
• Tailgate open/closed
• Mini liftgate open/closed
• Manual A/C request signal
• Manual AUX heater request signal
• Heated windshield (if fitted)
• Parking brake
• Brake fluid level
• Cruise control system
• Autolamps
• Dipped beam
• Main beam
• Headlamp flasher
• Side lights
• Reversing lamp
• Tailgate release
• Mini liftgate release
• Interior scanning system
• Ignition switch, terminal 15 (turn key to 0 position, then turn key to II position.)
An acoustic signal sounds and the turn signal
lamps flash to indicate receipt of each input signal
by the generic electronic module.
Test the windshield wiper "intermittent mode" stage
input signal (only vehicles with adjustable
intermittent mode)
The windshield wiper switch must be switched to
"intermittent mode" in order to test the input signal.
The delay times of the input signals can then be
tested by operating the rotary switch. Each change
of the rotary switch position is indicated by an
acoustic signal and illumination of the turn signals. G1055084en
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General overview
Haldex clutches of the 3rd and 4th generations are
used in the Ford Kuga.
The development of the third generation Haldex
clutch represents a big step forward in modern
all-wheel technology. The Haldex clutch is
electro-hydraulically controlled. Additional
information is taken into consideration during
control tasks via the all-wheel drive control unit.
Slip alone is no longer decisive for the distribution
of the propulsive forces; the vehicle's driving
dynamics are also taken into consideration. The
control unit accesses the driving-related data via
the data bus. With this data, the control unit has
all the essential information about speed, cornering,
coasting or traction operation, and can optimally
react to every driving situation.
Compared with the previous generation, the 4th
generation Haldex clutches operate with higher
pressure and achieve shorter response times when
distributing the drive forces.
Advantages of the Haldex clutch:
• Permanent all-wheel drive withelectronically-controlled multi-plate clutch
• Fast response
• No straining when parking and manoeuvring
• Compatible with different tyres (e.g. emergency spare wheel)
• Fully combinable with driving dynamic control systems
The driveshaft is connected to the input shaft of
the Haldex clutch. Within the Haldex clutch, the
input shaft is separated from the output shaft to
the rear axle differential by means of a multi-plate
clutch. Torque is only transmitted to the rear axle
differential when the plate assembly of the Haldex
clutch is closed.
The multi-plate clutch is electro-hydraulically
controlled via the all-wheel drive control unit. For
ecological driving, the torque to the rear axle is reduced to a minimum up to a throttle position of
approx. 50%. A prerequisite for this is that there is
no difference in speed in the Haldex clutch between
the input and output shafts.
Operation
E100645
16
3
25
4
Description
Item
Output shaft
1
Working piston
2
Plates
3
Ring piston pump
4
Control Valve
5
Input shaft
6
Within the Haldex clutch is a plate assembly and
a so-called ring piston pump with a pump plunger
and a working piston.
Fluid supply is started if there is a speed difference
between the input and output shafts.
This fluid pressure is transmitted to the working
piston and in this way the plate assembly is
compressed.
Design of the 3rd generation Haldex
clutch
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Brake System
General EquipmentPressure/vacuum gauge set
The Ford approved diagnostic tool
The brake system operates by transferring effort
applied to the brake pedal by the driver to the
brakes at each wheel.
The braking effort is distributed to each wheel,
using a hydraulic system. The system is assisted
using a vacuum brake booster that reduces pedal
effort and increases hydraulic pressure.
The parking brake operates on the rear wheels
and is applied using a hand operated control.
Inspection and Verification
NOTE: Before carrying out any diagnosis, make
sure that the brake system warning indicator is
functional.
1. Verify the customer concern.
2. Visually inspect for obvious signs of mechanical or electrical damage.
Visual Inspection Chart
Electrical
Mechanical
• Electricalconnector(s)
• Wiring harness(s)
• Switch(es)
• Tire pressure(s)
• Wheels and tires
• Fluid leak(s)
3. If an obvious cause for an observed or reported concern is found, correct the case (if possible)
before proceeding to the next step.
4. If the cause if not visually evident, verify the symptom and refer to the Symptom Chart.
Road Test
Carry out a road test to compare actual vehicle
braking performance with the performance
standards expected by the driver. The ability of the
test driver to make valid comparisons and detect
performance deficiencies will depend on
experience.
The driver should have a thorough knowledge of
the brake system operation and accepted general performance guidelines to make good comparisons
and detect performance concerns.
An experienced technician will always establish a
route that will be used for all brake diagnosis road
tests. The road selected will be reasonably smooth
and level. Gravel or bumpy roads are not suitable
because the surface does not allow the tires to grip
the road equally. Crowned roads should be avoided
because of the large amount of weight shifted to
the low set of wheels on this type of road. Once
the route is established and consistently used, the
road surface variable can be eliminated from the
test results.
Before a road test, get a complete description of
the customer concerns or suspected condition.
From the description, the technician will be able to
match possible causes with symptoms. Certain
components will be identified as possible sources
while others will be eliminated by the evidence.
More importantly, the customer description can
reveal unsafe conditions which should be checked
or corrected before a road test. The description will
also help form the basic approach to the road test
by narrowing the concern to specific components,
vehicle speed or conditions.
Begin the road test with a general brake
performance check. Using the description of the
concern, test the brakes at different vehicle speeds
using both light and heavy pedal pressure.
Determine if the concern is in the front or rear
braking system. First use the foot brake and then
the parking brake. If the condition (i.e. pull,
vibration, pulsation) occurs only on operation of
the parking brake, the concern is in the rear brake
system. If the condition occurs when the foot brake
is depressed, the concern is in the front brake
system.
Avoid locking the brakes and sliding the tires. This
condition will not indicate brake efficiency. A heavily
braked but turning wheel will stop the vehicle in a
shorter distance than locked wheels.
If the concern becomes evident during this check,
make sure it fits the description given before the
road test. If the concern is not evident, attempt to
duplicate the condition using the information from
the description.
If a concern exists, use the Brake System Symptom
Chart in order to isolate it to a specific sub-system
and condition description. From this description, a
list of possible sources can be used to further
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narrow the cause to a specific component or condition.
Symptom Chart
Action
Possible Sources
Symptom
• INSTALL new brake shoes orbrake pads.
REFER to: Brake Pads (206-03
Front Disc Brake, Removal
and Installation).
• Worn or damaged brake shoes
or brake pads and linings.
• Brakes pull or drift
• INSTALL a new front brakedisc.
REFER to: Brake Caliper (206-
03 Front Disc Brake,
Removal and Installation).
• Abnormal wear or distortion of
front brake disc.
• ADJUST the parking brakecable.
REFER to: Parking Brake
Cable Adjustment (206-05
Parking Brake and Actuation,
General Procedures).
• Incorrect rear brake adjust-
ment.
• ADJUST the wheel alignment.REFER to: (204-00 Suspension
System - General Information)
Front Toe Adjustment (General
Procedures),
Rear Toe Adjustment (General
Procedures).
• Incorrect wheel alignment
adjustment.
• ADJUST or INSTALL a newwheel bearing.
REFER to: Front Wheel
Bearing (204-01 Front
Suspension, Removal and
Installation).
• Incorrect wheel bearing preload
adjustment.
• INSTALL new brake shoes orbrake pads.
REFER to: Brake Pads (206-03
Front Disc Brake, Removal
and Installation).
• Grease or fluid on the brake
shoes or brake pads; glazed
linings.
• INSTALL a new wheel cylinderor brake caliper.
REFER to: Brake Caliper (206-
04 Rear Disc Brake, Removal
and Installation).
• Stuck or seized wheel cylinders
or brake calipers.
• FILL the reservoir. CHECK thebrake and clutch system for
leaks including brake fluid in
the brake booster.
• Low brake fluid level.
• The red brake warning indicator
is always on
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Action
Possible Sources
Symptom
• INSTALL a new brake mastercylinder.
REFER to: Brake Master
Cylinder - 2.5L Duratec
(147kW/200PS) - VI5 (206-06
Hydraulic Brake Actuation,
Removal and Installation).
• Leaking brake master cylinder
primary piston cup.
• FREE UP and ADJUST theparking brake cable.
REFER to: Parking Brake
Cable Adjustment (206-05
Parking Brake and Actuation,
General Procedures).
INSTALL new components as
necessary.
• Parking brake control not fully
released.
• REFER to:Anti-Lock Control
(206-09 Anti-Lock Control,
Diagnosis and Testing).
• Malfunctioning anti-lock braking
system (ABS).
• REFER to:Instrument Cluster
(413-01 Instrument Cluster,
Diagnosis and Testing).
• Shorted indicator circuit.
• INSTALL new brake shoes orbrake pads.
REFER to: Brake Pads (206-03
Front Disc Brake, Removal
and Installation).
• Grease or fluid on the brake
shoes or brake pads; glazed
linings.
• Vibration when the brakes are
applied
• INSTALL new brake shoes orbrake pads.
REFER to: Brake Pads (206-03
Front Disc Brake, Removal
and Installation).
• Worn or damaged brake shoes
or brake pads.
• TIGHTEN the caliper mountingbolt(s).
• Loose caliper mounting bolt(s).
•
• Excessive brake disc thickness
variation or brake disc runout.
• CHECK the tires. BALANCE orINSTALL new tires as neces-
sary.
REFER to: Wheels and Tires
(204-04 Wheels and Tires,
Diagnosis and Testing).
• Wheels and tires.
• TIGHTEN or INSTALL newwheel hub bolts as necessary.
• Loose or missing wheel hub
bolts.
• CARRY OUT a brake discrunout check.
• Worn or damaged brake drums
or brake discs.
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Action
Possible Sources
Symptom
• ADJUST the parking brakecable or switch
REFER to: Parking Brake
Cable Adjustment (206-05
Parking Brake and Actuation,
General Procedures).
• Incorrectly adjusted parking
brake or brake pedal switch
• Brake drag
• REFER to brake booster opera-tion check in this procedure.
• Brake booster.
• INSTALL a new wheel cylinderor brake caliper.
REFER to: Brake Caliper (206-
03 Front Disc Brake,
Removal and Installation).
• Seized wheel cylinder or brake
caliper.
• INSTALL a new brake caliper.REFER to: Brake Caliper (206-
03 Front Disc Brake,
Removal and Installation).
• Seized brake caliper slide pins.
• INSTALL new parking brakecables.
REFER to: Parking Brake
Cable Adjustment (206-05
Parking Brake and Actuation,
General Procedures).
• Seized parking brake cables.
• Check the parking brake leaverposition and make sure there
are no obstructions.
• Parking brake not fully
released.
• Check all brake hose(s) forcorrect fitment.
REFER to: Rear Brake Flexible
Hose (206-04 Rear Disc
Brake, Removal and Installa-
tion)
/ Front Brake Flexible Hose
(206-03 Front Disc Brake,
Removal and Installation).
• Brake hose incorrectly fitted.
• INSTALL new brake shoes orbrake pads.
REFER to: Brake Pads (206-03
Front Disc Brake, Removal
and Installation).
• Worn or contaminated brake
shoes or brake pads.
• Excessive brake pedal effort
• INSTALL a new brake vacuumpump.
• Malfunctioning vacuum pump
(diesel).
• CONNECT or INSTALL a newbrake booster vacuum pipe as
necessary.
• Disconnected or damaged
brake booster vacuum pipe.
• GO toPinpoint Test D.
• Brake booster.
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Action
Possible Sources
Symptom
• INSTALL new brake shoes orbrake pads.
REFER to: Brake Pads (206-03
Front Disc Brake, Removal
and Installation).
• Worn or damaged brake shoes
or brake pads.
• Brake noise
• GO toPinpoint Test E.
• Brake booster.
• GO toPinpoint Test F.
• Brake booster.
• Seized brake pedal pivot.
• Slow or incomplete brake pedal
return
Pinpoint Tests
PINPOINT TEST A : PEDAL GOES DOWN FAST
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
A1: PRESSURIZE THE SYSTEM
1 Pump the foot brake rapidly five times.
• Does the brake pedal height build up and then hold?
zYe s
CHECK parking brake adjustment and
ADJUST as necessary.
REFER to: Parking Brake Cable Adjustment
(206-05 Parking Brake and Actuation,
General Procedures).
If the condition still exists. BLEED the brake
system. REFER to: (206-00 Brake System -
General Information)
Brake System Bleeding (General Procedures),
Brake System Pressure Bleeding (General
Procedures),
Component Bleeding (General Procedures).
TEST the system for normal operation.
zNo
GO to A2.
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DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
F2: CHECK FOR BRAKE PEDAL BINDING
1 Check the brake pedal for free operation.
• Did the brake pedal operate freely?
zYe s INSTALL a new brake booster. TEST the
system for normal operation.
zNoINSTALL new brake pedal bushings. TEST
the system for normal operation.
Component Tests
Hydraulic Leak Check
NOTE: There is a common clutch and brake fluid
reservoir, therefore it is possible that a clutch leak
can lead to reduction in the reservoir level.
It is possible that all evidence of fluid leakage may
have washed off if the vehicle has been operated
in rain or snow, as brake fluid is water-soluble.
Refill the system, bleed then apply the brakes
several times. Examine the system to verify that
the reservoir fluid level is actually dropping. Locate
and repair the external leak. If the fluid level drops
and no external leak can be found, check for a
brake master cylinder bore end seal leak.
Brake System Check
Brake Pedal Reserve Check
Where a low brake pedal or the feel of a
bottomed-out condition exists, check for brake
pedal reserve.
1. Operate the engine at idle with the transaxle in the NEUTRAL position.
2. Apply the brake pedal lightly three or four times.
3. Allow 15 seconds for the vacuum to replenish the brake booster.
NOTE: This increased resistance may feel like
something has bottomed out.
4. Apply the brake pedal until it stops moving downward or an increased resistance to the
pedal travel occurs. 5. Hold the brake pedal in the applied position and
raise the engine speed to approximately 2000
rpm.
NOTE: The additional movement of the brake pedal
is the result of the increased engine manifold
vacuum which exerts more force on the brake
booster during engine rundown. This means that
additional stroke is available in the brake master
cylinder and the brake system is not bottoming out.
6. Release the accelerator pedal and observe that the brake pedal moves downward as the engine
returns to idle speed.
Brake Booster Functional Test
Inspect all hoses and connections. All unused
vacuum connectors should be capped. Hoses and
their connections should be correctly secured and
in good condition with no holes and no collapsed
areas. Inspect the check valve on the brake booster
for damage.
Brake Booster Operation Check
1. Check the hydraulic brake system for leaks orlow fluid.
2. With the transaxle in the NEUTRAL position, stop the engine and apply the parking brake.
Apply the brake pedal several times to exhaust
all the vacuum in the system.
3. With the engine turned off and the vacuum in the system exhausted, apply the brake pedal
and hold it down. Start the engine. If the vacuum
system is operating, the brake pedal will tend
to move downward under constant foot
pressure. If no motion is felt, the vacuum
booster system is not functioning.
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